TM 55-2210-223-24TO 45A2-2-14-223-20. ENGINE HEATER RECEPTACLEThis task covers: a.Testc.Disassemblye.Inspectiong.Installationb.Removald.Cleaningf.Repairh.TestINITIALSETUP:ToolsTestEquipmentMaterial/PartsTool kit SC 4940-97-CL-E12Multimeter 6625-01-139-2512Dry-cleaning solventMegohmmeter 6625-00-456-7442(Item 30, Appendix B)TEST1.Remove electrical connections from jacket water heater.2.Use a multimeter and perform a continuity test on the engine heater receptacle.3.Use a megohmmeter and perform a resistance test on the engine heater receptacle.REMOVALWARNINGHigh voltage is used in the operation of equipment. Do not be misled by the term LOW VOLTAGE.Potentials as low as 50 volts may cause death.Remove rings, bracelets, wristwatches, and neck chains before working around the locomotive. Jewelrycan catch on equipment and cause injury, or may short across an electrical circuit and cause severe burnsor electrical shock.4.Set battery switch to OPEN position.5.Remove four screws (1) and pull engine heaterreceptacle away from firewall.DISASSEMBLY6.Remove three screws (2).7.Turn receptacle housing (5) counterclockwiseuntil slots on receptacle housing aline withgrooves on receptacle (4). Push receptaclethrough receptacle housing.8.Remove three setscrews (3).3-62